435048

Appears in sequences

• Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k platforms (i.e., UHD, UHHD, UHHHD, ..., where U=(1,1), D=(1,-1), H=(2,0)).at n=31A104546
• Expansion of Product_{k>=1} (1+x^k)^(k*(k+1)*(k+2)).at n=8A258342